68489469 has 40 divisors (see below), whose sum is σ = 108144960. Its totient is φ = 43110144.

The previous prime is 68489467. The next prime is 68489567. The reversal of 68489469 is 96498486.

It is not a de Polignac number, because 68489469 - 2¹ = 68489467 is a prime.

It is a super-2 number, since 2×68489469² = 9381614727803922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68489461) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 180522 + ... + 180900.

It is an arithmetic number, because the mean of its divisors is an integer number (2703624).

Almost surely, 2^68489469 is an apocalyptic number.

68489469 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

68489469 is a deficient number, since it is larger than the sum of its proper divisors (39655491).

68489469 is a wasteful number, since it uses less digits than its factorization.

68489469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 502 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 68489469 is about 8275.8364531931. The cubic root of 68489469 is about 409.1425048862.

The spelling of 68489469 in words is "sixty-eight million, four hundred eighty-nine thousand, four hundred sixty-nine".